While it may work to help you fall asleep for a few days, long-term use of Benadryl as a sleep-aid likely isn't effective and is associated with several side effects like next-day drowsiness. Additionally, the long-term use of drugs like Benadryl in those 65 years old and over is linked with an increased risk of dementia.Yeah, look at r/dph.Datura is even worse. It's like dph, but way more likely to kill you or make you go blind. Shadow people and spiders and having full conversations with people who don't exist usually only happens in the 400+ category. Between 150mg and there, it's usually just having to piss but being unable to, dysphoria/fear, beDiphenhydramine is contraindicated in premature infants and neonates, as well as people who are breastfeeding. It is a pregnancy Category B drug. Diphenhydramine has additive effects with alcohol and other CNS depressants. Monoamine oxidase inhibitors prolong and intensify the anticholinergic effect of antihistamines. OverdoseJul 27, 2017 · Take one to two 50mg tablets at least 30 minutes prior to bedtime. The maximum dose of two tablets works best for sleep. You can take Dramamine with or without food, but make sure you take a dose with a full glass of water 1 2. Swallow tablets whole; don't crush or chew. Plan on taking Dramamine four to six hours prior to waking for the next ... May 25, 2023 · Signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes. Not able to pass urine or change in how much urine is passed. A very bad skin reaction ( Stevens-Johnson syndrome / toxic epidermal necrolysis) may happen. When corrected based on the number of drugs with anticholinergic effects an individual was taking, the odds ratio for cognitive impairment was 1.46 with a p value of .0181. However, overall the authors conclude that their data did not support the hypothesis that the use of anticholinergic medications increased the risk of alzheimer’s dementia ...Applies to diphenhydramine: compounding powder, injectable solution, oral capsule, oral disintegrating strip, oral liquid, oral tablet, oral tablet chewable, oral tablet disintegrating. General The most commonly reported side effects included somnolence, dizziness, and incoordination.Jun 5, 2019 · Moderate and Severe Benadryl Side Effects. If patients are using Benadryl for an allergic reaction, and experience any of the following moderate to severe Benadryl side effects they should consult their medical doctor or contact emergency medical services to minimize injury to their health: Contact and Atopic dermatitis ~1.0-10.0%; Confusion Feb 6, 2023 · Benadryl is an over-the-counter antihistamine that contains the active ingredient diphenhydramine. People often use it to treat allergies. Because it causes drowsiness, some people take it as a ... May 8, 2019 · Answer. While Benadryl ( diphenhydramine) can safely be used once in a while as a sleep aid, long-term use is not recommended for multiple reasons. Even the intermittent use of Benadryl for sleep isn't generally recommended if you are elderly (over 65). Studies show that the elderly population doesn't metabolize Benadryl as quickly and are far ... Diphenhydramine is a common ingredient in sleeping aids; it is also used to treat allergies. While effective, the risk of serious diphenhydramine side effects—including confusion, dizziness, urinary retention, and liver or kidney issues—is increased in people age 65 and older.Side effects of antihistamines that make you drowsy can include: sleepiness (drowsiness) and reduced co-ordination, reaction speed and judgement – do not drive or use machinery after taking these antihistamines. dry mouth. blurred vision. difficulty peeing. Side effects of non-drowsy antihistamines can include: headache. Jul 9, 2015 · Higher dosage or long-term use of common drugs with anticholinergic effects is linked to significantly increased risk of dementia - including Alzheimer’s - says large study. May 13, 2021 · The active ingredient in Benadryl is called diphenhydramine. Like any medication, Benadryl has several side effects. Some of the most common are: feeling sleepy or drowsy. dry mouth or throat ... But it has quite a long list of possible side effects. In fact, the Canadian Society of Allergy and Clinical Immunology has given serious warnings about them, even for people. The organization issued a 2019 position statement about Benadryl. They advised against the drug because of the high risk of side effects and overdose. They said the drug ...Long-term use of Benadryl can also lead to constipation and confusion. Interactions. Benadryl containing diphenhydramine can interact with alcohol as both are central nervous system (CNS) depressants. Side effects such as drowsiness and dizziness may be enhanced when taking alcohol with diphenhydramine. January 19, 2022. By Harvard Health Publishing Staff. A report published in JAMA Internal Medicine several years ago highlighted a link between long-term use of anticholinergic medications like Benadryl and dementia. While this study and other observational studies have also found this association, it doesn't prove that these drugs cause dementia.Side Effects Of Benadryl. Overall, Benadryl is well tolerated and side effects are generally mild in severity. If they do occur, they should subside 4 to 6 hours after dosing, although this can be extended in those with kidney disease and in the elderly. Below, we discuss the most common side effects associated with Benadryl.Jun 5, 2019 · Addiction and Misuse. Another cause of overdose is an addiction to Diphenhydramine. Patients can become addicted to Benadryl after taking it for an extended period or when it is used for recreational purposes. Side effects of Diphenhydramine overdose often cause long-term damage, which can be fatal to patients ingesting it. Diphenhydramine or : Benadryl (diphenhydramine) may cause sedation the next day (due to its long half-life), decreased alertness, diminished cognitive function, delirium, ... Read More. Created for people with ongoing healthcare needs but benefits everyone. Learn how we can help. 5k views Reviewed >2 years ago. Jan 24, 2018 · Taking an over-the-counter sleep aid with diphenhydramine once in a while is generally not going to cause problems, other than a possible hangover the next day. Older people, however, can get confused when taking diphenhydramine because it also blocks a brain chemical called acetylcholine, which plays a big role in attention and short-term memory. Children's Benadryl Allergy - Uses, Side Effects, and More Generic Name(S): diphenhydramine HCl, diphenhydramine citrate ... (such as long-acting tablets/capsules) are not recommended for use in ...Jan 24, 2018 · Taking an over-the-counter sleep aid with diphenhydramine once in a while is generally not going to cause problems, other than a possible hangover the next day. Older people, however, can get confused when taking diphenhydramine because it also blocks a brain chemical called acetylcholine, which plays a big role in attention and short-term memory. Benadryl Addiction Side Effects. Despite having numerous benefits in the medical world, Benadryl has its share of negative side effects when abused. Some effects are short term whereas others can last a lifetime. A user can either encounter psychological effects, physical effects, or both. Some of the physical effects to watch out for include ...Diphenhydramine, brand name Benadryl ®, is one of the oldest and most frequently used over-the-counter medications for children. However, many better options are now widely available, all of which are faster acting, longer lasting, with less side effects. Antihistamines counteract the effect of histamine throughout the body, and treat a range ...Jul 5, 2023 · Benadryl is an antihistamine that can be used to treat allergic reactions, relieve motion sickness, as a sleep aid, and relieve some symptoms of Parkinson's disease. Sedation is a common side effect. 5. Tips. Benadryl may be taken with or without food. Take exactly as directed. Diphenhydramine, brand name Benadryl ®, is one of the oldest and most frequently used over-the-counter medications for children. However, many better options are now widely available, all of which are faster acting, longer lasting, with less side effects. Antihistamines counteract the effect of histamine throughout the body, and treat a range ...Taking an over-the-counter sleep aid with diphenhydramine once in a while is generally not going to cause problems, other than a possible hangover the next day. Older people, however, can get confused when taking diphenhydramine because it also blocks a brain chemical called acetylcholine, which plays a big role in attention and short-term memory.Jun 8, 2022 · Sleep aids: The options. Sleep aids available without a prescription are widely available. Common choices and the potential side effects include: Diphenhydramine (Benadryl). Diphenhydramine is a sedating antihistamine. Side effects might include daytime drowsiness, dry mouth, constipation and urinary retention. Doxylamine (Unisom). Diphenhydramine blocks the effects of histamine in your brain and this reduces symptoms. It enters the brain in large quantities and this can make you feel drowsy. Diphenhydramine also blocks the effects of another chemical called acetylcholine. This can help a cough or runny nose but can also cause side effects such as a dry mouth and dry nose. Official answer. Diphenhydramine can be used as a short-term sleep aid to help ease occasional sleep problems. Older adults, children under age 16 and pregnant women should avoid taking diphenhydramine, as the risks to these groups may outweigh the benefits. Diphenhydramine should not be taken as a treatment for chronic insomnia. Diphenhydramine, which is the active ingredient in ZzzQuil, can cause side effects in some people. The most common side effects of diphenhydramine include: drowsiness. dizziness. loss of ...Pay attention to the side effects of Benadryl, especially if you’re an older adult. The body responds differently to Benadryl as you get older. And you may develop side effects that were never a problem before. Benadryl is not intended to be used as a daily, long-term medication for sleep or other issues.Warnings What to ask your doctor Q&A Benadryl (diphenhydramine) is used for allergies and allergic reactions, as well as common cold symptoms. Benadryl can cause mild or serious side...There is evidence that the use of diphenhydramine among older adults or the elderly may result in serious side effects. This holds true esp. if you are older than age 65. The older a person becomes, the greater the risk of adverse effects. Benadryl is listed as potentially Inappropriate Medication in Older Adults ( also known as Beers criteria)Aug 1, 2023 · skin rash. swollen joints. stomach discomfort, upset or pain. tender swollen glands in neck. tremor. unusual excitement, nervousness, restlessness, or irritability. vomiting. Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional. Diphenhydramine, brand name Benadryl ®, is one of the oldest and most frequently used over-the-counter medications for children. However, many better options are now widely available, all of which are faster acting, longer lasting, with less side effects. Antihistamines counteract the effect of histamine throughout the body, and treat a range ...Jan 6, 2023 · Diphenhydramine is a common ingredient in sleeping aids; it is also used to treat allergies. While effective, the risk of serious diphenhydramine side effects—including confusion, dizziness, urinary retention, and liver or kidney issues—is increased in people age 65 and older. The short answer seems to be yes. While occasionally taking a Benadryl for sleep probably won’t lead to significant weight gain, chronic use of antihistamines can interfere with weight loss efforts. If you need an antihistamine for frequent allergy symptoms, however, the best choice is Claritin because it does not cross into the brain and has ...and readily penetrates the blood-brain-barrier. Thus side effects such as grogginess, drowsiness, and memory loss are common. Diphenhydramine is also used for motion sickness and extrapyramidal symptoms in Parkinson’s disease patients. Potential harm to the brain: Long-term anticholinergic use has been associated with increasedThe short answer seems to be yes. While occasionally taking a Benadryl for sleep probably won’t lead to significant weight gain, chronic use of antihistamines can interfere with weight loss efforts. If you need an antihistamine for frequent allergy symptoms, however, the best choice is Claritin because it does not cross into the brain and has ...Yeah, look at r/dph.Datura is even worse. It's like dph, but way more likely to kill you or make you go blind. Shadow people and spiders and having full conversations with people who don't exist usually only happens in the 400+ category. Between 150mg and there, it's usually just having to piss but being unable to, dysphoria/fear, beWarnings What to ask your doctor Q&A Benadryl (diphenhydramine) is used for allergies and allergic reactions, as well as common cold symptoms. Benadryl can cause mild or serious side...Jun 5, 2019 · Moderate and Severe Benadryl Side Effects. If patients are using Benadryl for an allergic reaction, and experience any of the following moderate to severe Benadryl side effects they should consult their medical doctor or contact emergency medical services to minimize injury to their health: Contact and Atopic dermatitis ~1.0-10.0%; Confusion It can sometimes cause a decrease in memory, confusion, and thinking issues. These side effects are more common in elders. In addition, taking Benadryl long-term might increase the risk of dementia. People aged> 65 who took medications such as Benadryl daily for over three years had an increased risk of dementia.Apr 11, 2023 · In the drug realm, antihistamines such as diphenhydramine (Benadryl), chlorpheniramine (Chlor-Trimeton), cetirizine (Zyrtec), and loratadine (Claritin) can help with a stuffy nose are safe for the heart. Nasal sprays deliver a decongestant right where you need it. In theory, this should minimize cardiovascular effects. You may take an antihistamine every day to keep long-term allergy symptoms under control. Types of antihistamines. Second-generation antihistamine. If you take an antihistamine frequently or daily, your health care provider may recommend a second-generation antihistamine as they are less likely to cause side effects like sleepiness and fatigue ...Giving Benadryl to dogs long term in some cases can be helpful for the dog. However, one of the main side effects of Benadryl is drowsiness. Giving too much dog Benadryl can cause the dog to go into a deep sleep for some time. Additionally, in some cases Benadryl can cause upset stomach and even possibly loss of appetite.Common Benadryl (diphenhydramine) side effects include drowsiness, dizziness, and blurry vision. Dry mouth and constipation are common, as well. Serious Benadryl side effects include a greater risk of falls — especially if you are an older adult — and potential long-term memory problems.Diphenhydramine, which is the active ingredient in ZzzQuil, can cause side effects in some people. The most common side effects of diphenhydramine include: drowsiness. dizziness. loss of ...Diphenhydramine or : Benadryl (diphenhydramine) may cause sedation the next day (due to its long half-life), decreased alertness, diminished cognitive function, delirium, ... Read More. Created for people with ongoing healthcare needs but benefits everyone. Learn how we can help. 5k views Reviewed >2 years ago.Jun 23, 2009 · The most common side effect is drowsiness, causing mild disorientation or dementia. An elderly person may fall asleep during normal activities. This sedating effect can cause unsteadiness. A person over 60 should get up slowly from a sitting or prone position to avoid fainting. If you take an anti-anxiety drug, it is not advisable to use ... Uses Diphenhydramine is an antihistamine used to relieve symptoms of allergy, hay fever, and the common cold. These symptoms include rash, itching, watery eyes, itchy eyes /nose/throat, cough,...Diphenhydramine is a type of medicine called an antihistamine. It is used in some allergy and sleep medicines. Overdose occurs when someone takes more than the normal or recommended amount of this medicine. This can be by accident or on purpose. This article is for information only. DO NOT use it to treat or manage an actual overdose.Benadryl is a first-generation antihistamine, meaning it is one of the earlier drugs developed in this category of medications. First-generation antihistamines, like Benadryl, are often noted for their sedative side effects as they have the ability to travel to your brain (i.e. crosses the blood-brain barrier), which is why they can make you ...Benadryl can cause some children to be hyperactive. OTC cough and cold medicine should not be given to children under the age of 4. Research has shown that these products do not work in children younger than 6 years old and can have serious side effects.Apr 11, 2018 · Benadryl is a first-generation antihistamine, meaning it is one of the earlier drugs developed in this category of medications. First-generation antihistamines, like Benadryl, are often noted for their sedative side effects as they have the ability to travel to your brain (i.e. crosses the blood-brain barrier), which is why they can make you ... Apr 24, 2023 · Long-term use may also lead to harmful side effects. The inability to fall or stay asleep can have a significant, negative impact on your mood, productivity, and overall health. Insomnia can also ... Applies to diphenhydramine: compounding powder, injectable solution, oral capsule, oral disintegrating strip, oral liquid, oral tablet, oral tablet chewable, oral tablet disintegrating. General The most commonly reported side effects included somnolence, dizziness, and incoordination.Addiction and Misuse. Another cause of overdose is an addiction to Diphenhydramine. Patients can become addicted to Benadryl after taking it for an extended period or when it is used for recreational purposes. Side effects of Diphenhydramine overdose often cause long-term damage, which can be fatal to patients ingesting it.Jul 27, 2017 · Take one to two 50mg tablets at least 30 minutes prior to bedtime. The maximum dose of two tablets works best for sleep. You can take Dramamine with or without food, but make sure you take a dose with a full glass of water 1 2. Swallow tablets whole; don't crush or chew. Plan on taking Dramamine four to six hours prior to waking for the next ... Long-term side effects Over-the-counter Benadryl is approved for temporary or short-term use and is not intended for long-term use. There is very little scientific research about the long-term ...Warnings What to ask your doctor Q&A Benadryl (diphenhydramine) is used for allergies and allergic reactions, as well as common cold symptoms. Benadryl can cause mild or serious side...Jul 9, 2020 · This video examines the question and remark: Benadryl long term side effects! I WISH I had KNOWN! Benadryl is a common OTC medication and is also known as D... and readily penetrates the blood-brain-barrier. Thus side effects such as grogginess, drowsiness, and memory loss are common. Diphenhydramine is also used for motion sickness and extrapyramidal symptoms in Parkinson’s disease patients. Potential harm to the brain: Long-term anticholinergic use has been associated with increased You may take an antihistamine every day to keep long-term allergy symptoms under control. Types of antihistamines. Second-generation antihistamine. If you take an antihistamine frequently or daily, your health care provider may recommend a second-generation antihistamine as they are less likely to cause side effects like sleepiness and fatigue ...Experts say skip antihistamines. Dana Benson. 713-798-8267. Houston, TX - Jun 28, 2021. Share this article. For people who take an antihistamine such as Benadryl for a cold or allergies, drowsiness is often a welcome side effect. But a Baylor College of Medicine sleep expert cautions against turning to this type of medication as a sleep aid.Diphenhydramine, which is available as an over-the-counter medication, is a first-generation antihistamine that is used in a variety of conditions to treat and prevent dystonias, insomnia, pruritis, urticaria, vertigo, and motion sickness. It also possesses local anesthetic properties for those patients who have allergies to other, more commonly used local anesthetics; however, this is an off ...Benadryl helps reduce the effects of natural chemicals in the body called histamines. It is used to treat the side effects of an allergic reaction, including: Benadryl can be taken to relieve the symptoms of hayfever (seasonal allergies) and motion sickness. It can also be taken to induce sleep and treat certain symptoms of Parkinson's disease.Apr 9, 2020 · Diphenhydramine, brand name Benadryl ®, is one of the oldest and most frequently used over-the-counter medications for children. However, many better options are now widely available, all of which are faster acting, longer lasting, with less side effects. Antihistamines counteract the effect of histamine throughout the body, and treat a range ... Applies to diphenhydramine: compounding powder, injectable solution, oral capsule, oral disintegrating strip, oral liquid, oral tablet, oral tablet chewable, oral tablet disintegrating. General The most commonly reported side effects included somnolence, dizziness, and incoordination.Long-term use of Benadryl can also lead to constipation and confusion. Interactions. Benadryl containing diphenhydramine can interact with alcohol as both are central nervous system (CNS) depressants. Side effects such as drowsiness and dizziness may be enhanced when taking alcohol with diphenhydramine. In the drug realm, antihistamines such as diphenhydramine (Benadryl), chlorpheniramine (Chlor-Trimeton), cetirizine (Zyrtec), and loratadine (Claritin) can help with a stuffy nose are safe for the heart. Nasal sprays deliver a decongestant right where you need it. In theory, this should minimize cardiovascular effects.Diphenhydramine, which is the active ingredient in ZzzQuil, can cause side effects in some people. The most common side effects of diphenhydramine include: drowsiness. dizziness. loss of ...Benadryl Addiction Side Effects. Despite having numerous benefits in the medical world, Benadryl has its share of negative side effects when abused. Some effects are short term whereas others can last a lifetime. A user can either encounter psychological effects, physical effects, or both. Some of the physical effects to watch out for include ...It can sometimes cause a decrease in memory, confusion, and thinking issues. These side effects are more common in elders. In addition, taking Benadryl long-term might increase the risk of dementia. People aged> 65 who took medications such as Benadryl daily for over three years had an increased risk of dementia.Jun 6, 2023 · Benadryl may cause serious side effects including: pounding heartbeats or fluttering in your chest, painful or difficult urination, little or no urination, confusion, lightheadedness, tightness in your neck or jaw, and. uncontrollable movements of your tongue. Get medical help right away, if you have any of the symptoms listed above. Benadryl dosage for dogs. The correct dosage of diphenhydramine for dogs depends on their weight. A small dog will need much less than a big dog to receive the same positive effects. According to ...1. McMillan JM, Aitken E, Holroyd-Leduc JM. Management of insomnia and long-term use of sedative- hypnotic drugs in older patients. CMAJ 2013;185:1499–505. [ PMC free article] [ PubMed] [ Google Scholar] 2. Gray SL, Anderson ML, Dublin S, et al. Cumulative use of strong anticholinergics and incident dementia: a prospective cohort study.May 17, 2019 · Diphenhydramine, which is the active ingredient in ZzzQuil, can cause side effects in some people. The most common side effects of diphenhydramine include: drowsiness. dizziness. loss of ... May 17, 2019 · Diphenhydramine, which is the active ingredient in ZzzQuil, can cause side effects in some people. The most common side effects of diphenhydramine include: drowsiness. dizziness. loss of ... Examples of Viagra’s more commonly reported side effects include: headache. flushing (temporary warmth, redness, or deepening of skin color) stuffy nose. indigestion (upset stomach) mild vision ...Diphenhydramine is an antihistamine used to relieve symptoms of allergy, hay fever, and the common cold.These symptoms include rash, itching, watery eyes, itchy eyes/nose/throat, cough, runny nose ... January 19, 2022. By Harvard Health Publishing Staff. A report published in JAMA Internal Medicine several years ago highlighted a link between long-term use of anticholinergic medications like Benadryl and dementia. While this study and other observational studies have also found this association, it doesn't prove that these drugs cause dementia.hoarseness. lack or loss of strength. pain in the lower back or side. swelling of the hands, feet, or lower legs. trembling or shaking. Common side effects that do require medical attention ...
Take one to two 50mg tablets at least 30 minutes prior to bedtime. The maximum dose of two tablets works best for sleep. You can take Dramamine with or without food, but make sure you take a dose with a full glass of water 1 2. Swallow tablets whole; don't crush or chew. Plan on taking Dramamine four to six hours prior to waking for the next .... Atandt prepaid manage my account
The active ingredient in Benadryl is called diphenhydramine. Like any medication, Benadryl has several side effects. Some of the most common are: feeling sleepy or drowsy. dry mouth or throat ...Diphenhydramine is a type of medicine called an antihistamine. It is used in some allergy and sleep medicines. Overdose occurs when someone takes more than the normal or recommended amount of this medicine. This can be by accident or on purpose. This article is for information only. DO NOT use it to treat or manage an actual overdose.Jun 23, 2009 · The most common side effect is drowsiness, causing mild disorientation or dementia. An elderly person may fall asleep during normal activities. This sedating effect can cause unsteadiness. A person over 60 should get up slowly from a sitting or prone position to avoid fainting. If you take an anti-anxiety drug, it is not advisable to use ... hoarseness. lack or loss of strength. pain in the lower back or side. swelling of the hands, feet, or lower legs. trembling or shaking. Common side effects that do require medical attention ...“The antihistamine diphenhydramine is only approved for management of short-term or temporary sleep difficulties, particularly in those people who have problems falling asleep,” Dr. What are the negative effects of Benadryl? Drowsiness, dizziness, constipation, stomach upset, blurred vision, or dry mouth/nose/throat may occur. If any of ...Oct 9, 2018 · Many older adults may take sleeping pills because pain, nerve problems or other health issues are keeping them up at night, she says. For these people, a sleeping pill is standing in the way of ... When corrected based on the number of drugs with anticholinergic effects an individual was taking, the odds ratio for cognitive impairment was 1.46 with a p value of .0181. However, overall the authors conclude that their data did not support the hypothesis that the use of anticholinergic medications increased the risk of alzheimer’s dementia ...Aug 23, 2021 · Symptoms can be mild or serious and can include: skin rash. itchiness. flushing (temporary warmth, redness, or deepening of skin color) swelling under your skin, typically in your eyelids, lips, hands, or feet. swelling of your mouth, tongue, or throat, which can make it hard to breathe. You may take an antihistamine every day to keep long-term allergy symptoms under control. Types of antihistamines. Second-generation antihistamine. If you take an antihistamine frequently or daily, your health care provider may recommend a second-generation antihistamine as they are less likely to cause side effects like sleepiness and fatigue ...“The antihistamine diphenhydramine is only approved for management of short-term or temporary sleep difficulties, particularly in those people who have problems falling asleep,” Dr. What are the negative effects of Benadryl? Drowsiness, dizziness, constipation, stomach upset, blurred vision, or dry mouth/nose/throat may occur. If any of ...Diphenhydramine blocks the effects of histamine in your brain and this reduces symptoms. It enters the brain in large quantities and this can make you feel drowsy. Diphenhydramine also blocks the effects of another chemical called acetylcholine. This can help a cough or runny nose but can also cause side effects such as a dry mouth and dry nose.People who take too much Benadryl start to experience many of the medication’s side effects. These can include mild symptoms, such as dry mouth, constipation, and tiredness. Usually, the more Benadryl a person takes, the worse these side effects become. In more severe Benadryl overdose cases, symptoms like seizures, irregular heartbeats, and ...Examples of Viagra’s more commonly reported side effects include: headache. flushing (temporary warmth, redness, or deepening of skin color) stuffy nose. indigestion (upset stomach) mild vision ...Jun 28, 2021 · Experts say skip antihistamines. Dana Benson. 713-798-8267. Houston, TX - Jun 28, 2021. Share this article. For people who take an antihistamine such as Benadryl for a cold or allergies, drowsiness is often a welcome side effect. But a Baylor College of Medicine sleep expert cautions against turning to this type of medication as a sleep aid. .